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Minimal descriptors for characterization and evaluation of Jatropha curcas L. germplasm for utilization in crop improvement

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Title Minimal descriptors for characterization and evaluation of Jatropha curcas L. germplasm for utilization in crop improvement
Not Available
 
Creator Neelam Sunil
Vinod Kumar
Mulpuri Sujatha
Gandhe Rajeswara Rao
Kodeboyina Siva Varaprasad
 
Subject Characterization
Descriptors
Evaluation
Germplasm
Jatropha
Variability
 
Description Not Available
Jatropha curcas germplasm collected from peninsular region of India as well as germplasm augmented from various parts of the country was characterized for various agromorphological traits at 3 locations for 3 years. Variability was evident for 38 traits which included both qualitative and quantitative traits. Important yield influencing traits such as plant canopy, branching habit, number of primary branches, peduncle branching,
peduncle length, inflorescence compactness, flower ratio, inflorescence abundance, flowering, fruits per cluster, 100-seed weight and oil content showed a wide range of variability in the germplasm under study. Number of leaf lobes also showed variation and accordingly were categorised as 0e2, 3e5, >6. The branching pattern varied widely and has been categorised as basal, intermediate, top and entire. The male to female flower ratio ranged from 10:1 to >20:1, and was categorized into three categories as 10:1, 11e20:1 and >20:1. The seed oil content which is of commercial importance in J. curcas also exhibited wide variability ranging from 17.5 to 41.6% and the descriptor has been categorized accordingly as 0e20, 21e30, 30e40 and 40%. Based on the variability observed in the traits, a set of 38 minimal descriptors has been suggested for characterization and evaluation of Jatropha.
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Date 2021-08-24T09:36:04Z
2021-08-24T09:36:04Z
2013
 
Type Research Paper
 
Identifier Neelam Sunil, Vinod Kumar, Mulpuri Sujatha, Gandhe Rajeswara Rao, Kodeboyina Siva Varaprasad. 2013. Minimal descriptors for characterization and evaluation of Jatropha curcas L. germplasm for utilization in crop improvement Biomass and Bioenergy 48: 239-249.
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http://krishi.icar.gov.in/jspui/handle/123456789/60323
 
Language English
 
Relation Not Available;
 
Publisher Biomass and Bioenergy